Monolithic Power Systems, Inc. (MPWR) Spending and interest coverage
- R&D / revenue · 12 months: Value (m); Formula and calculation Research and development expense / revenue. Period ending 2026-06-30..
- Stock-based compensation / revenue · 12 months: Value 6.38%; Formula and calculation Share-based compensation / revenue. Period ending 2026-06-30..
- Interest coverage · 12 months: Value (m); Formula and calculation Estimated: average term debt × dated USD coupon proxy + average commercial paper × matching-currency disclosed rate at or before period end. Swaps, foreign-exchange, lease interest and amortization are not quantified..
Spending and interest coverage
Overview →Financial period ending 2026-06-30; current quote (m). Amounts retain their stated periods and units.
| Metric | Value | Formula and calculation |
|---|---|---|
| R&D / revenue · 12 months | (m) | Research and development expense / revenue. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Stock-based compensation / revenue · 12 months | 6.38% | Share-based compensation / revenue. Period ending 2026-06-30. $208.87M ÷ $3.27B × 100 ≈ 6.38% |
| Interest coverage · 12 months | (m) | Estimated: average term debt × dated USD coupon proxy + average commercial paper × matching-currency disclosed rate at or before period end. Swaps, foreign-exchange, lease interest and amortization are not quantified. Calculation unavailable: missing inputs remain (m). |
Calculation inputs
| Input | Amount with unit | Raw financial data |
|---|---|---|
| Research and development spending | (m) | Research and Development Expense |
| Revenue | 3.27B USD | Revenue from Contract with Customer, Excluding Assessed Tax |
| Stock-based compensation | 208.87M USD | Share-based Payment Arrangement, Noncash Expense |
| Operating income | 940.16M USD | Operating Income (Loss) |
| Interest expense · reported / estimated | (m) | · Estimated expense assumptions |
Latest interest expense basis: (m). Estimated values carry *; expand each history row’s basis for its dated balances and rate assumptions.
Calculated history
Changes compare with the next older row (previous quarter), unless explicitly labeled otherwise. Rolling 12-month growth compares two successive quarter-end rolling totals; it is not year-over-year growth.
| Period ending | Research and development spending (USD) | Revenue (USD) | Stock-based compensation (USD) | Operating income (USD) | Interest expense · reported / estimated (USD) | R&D / revenue | SBC / revenue | Interest coverage | Interest expense basis |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | (m) | $3.27B | $208.87M | $940.16M | (m) | (m) | 6.38% | (m) | (m) |
| 2026-03-31 | (m) | $2.96B | $215.78M | $801.03M | (m) | (m) | 7.30% | (m) | (m) |
| 2025-12-31 | (m) | $2.79B | $227.49M | $728.64M | (m) | (m) | 8.15% | (m) | (m) |
| 2025-09-30 | (m) | $2.66B | $229.59M | $692.01M | (m) | (m) | 8.63% | (m) | (m) |
| 2025-06-30 | (m) | $2.54B | $220.31M | $660.85M | (m) | (m) | 8.66% | (m) | (m) |
| 2025-03-31 | (m) | $2.39B | $212.52M | $612.63M | (m) | (m) | 8.90% | (m) | (m) |
| 2024-12-31 | (m) | $2.21B | $205.64M | $539.36M | (m) | (m) | 9.32% | (m) | (m) |
| 2024-09-30 | (m) | $2.04B | $190.74M | $485.62M | (m) | (m) | 9.35% | (m) | (m) |
| 2024-06-30 | (m) | $1.89B | $172.94M | $457.16M | (m) | (m) | 9.13% | (m) | (m) |
| 2024-03-31 | (m) | $1.83B | $158.63M | $452.95M | (m) | (m) | 8.68% | (m) | (m) |
| 2023-12-31 | (m) | $1.82B | $149.71M | $481.74M | (m) | (m) | 8.22% | (m) | (m) |
| 2023-09-30 | (m) | $1.83B | $143.87M | $509.06M | (m) | (m) | 7.87% | (m) | (m) |
| 2023-06-30 | (m) | $1.85B | $153.27M | $525.36M | (m) | (m) | 8.30% | (m) | (m) |
| 2023-03-31 | (m) | $1.87B | $158.19M | $554.93M | (m) | (m) | 8.47% | (m) | (m) |
| 2022-12-31 | (m) | $1.79B | $160.99M | $526.78M | (m) | (m) | 8.97% | (m) | (m) |
| 2022-09-30 | (m) | $1.67B | $156.92M | $468.46M | (m) | (m) | 9.39% | (m) | (m) |
| 2022-06-30 | (m) | $1.50B | $145.50M | $393.73M | (m) | (m) | 9.71% | (m) | (m) |
| 2022-03-31 | (m) | $1.33B | $134.71M | $312.46M | (m) | (m) | 10.12% | (m) | (m) |
| 2021-12-31 | (m) | $1.21B | $123.48M | $262.42M | (m) | (m) | 10.22% | (m) | (m) |
| 2021-09-30 | (m) | $1.10B | $115.25M | $223.81M | (m) | (m) | 10.44% | (m) | (m) |
| 2021-06-30 | (m) | $1.04B | $106.66M | $206.66M | (m) | (m) | 10.25% | (m) | (m) |
| 2021-03-31 | (m) | $933.13M | $95.57M | $173.98M | (m) | (m) | 10.24% | (m) | (m) |
| 2020-12-31 | (m) | $844.45M | $85.55M | $158.88M | (m) | (m) | 10.13% | (m) | (m) |
| 2020-09-30 | (m) | $778.15M | $81.26M | $149.61M | (m) | (m) | 10.44% | (m) | (m) |
| 2020-06-30 | (m) | $687.54M | $79.59M | $119.67M | (m) | (m) | 11.58% | (m) | (m) |
| 2020-03-31 | (m) | $652.34M | $81.25M | $111.83M | (m) | (m) | 12.46% | (m) | (m) |
| 2019-12-31 | (m) | $627.92M | $78.70M | $102.56M | (m) | (m) | 12.53% | (m) | (m) |
| 2019-09-30 | (m) | $614.68M | $74.86M | $104.94M | (m) | (m) | 12.18% | (m) | (m) |
| 2019-06-30 | (m) | $605.84M | $68.41M | $108.41M | (m) | (m) | 11.29% | (m) | (m) |
| 2019-03-31 | (m) | $594.60M | $61.59M | $113.17M | (m) | (m) | 10.36% | (m) | (m) |
| 2018-12-31 | (m) | $582.38M | $60.61M | $113.49M | (m) | (m) | 10.41% | (m) | (m) |
| 2018-09-30 | (m) | $558.32M | $57.62M | $105.46M | (m) | (m) | 10.32% | (m) | (m) |
| 2018-06-30 | (m) | $527.28M | $56.75M | $95.80M | (m) | (m) | 10.76% | (m) | (m) |
| 2018-03-31 | (m) | $499.72M | $55.98M | $85.89M | (m) | (m) | 11.20% | (m) | (m) |
| 2017-12-31 | (m) | $470.93M | $52.62M | $77.42M | (m) | (m) | 11.17% | (m) | (m) |
| 2017-09-30 | (m) | $445.12M | $51.51M | $69.91M | (m) | (m) | 11.57% | (m) | (m) |
| 2017-06-30 | (m) | $422.63M | $51.05M | $61.08M | (m) | (m) | 12.08% | (m) | (m) |
| 2017-03-31 | (m) | $404.51M | $47.67M | $57.64M | (m) | (m) | 11.78% | (m) | (m) |
| 2016-12-31 | (m) | $388.67M | $44.99M | $54.45M | (m) | (m) | 11.58% | (m) | (m) |
| 2016-09-30 | (m) | $371.97M | $46.61M | $48.70M | (m) | (m) | 12.53% | (m) | (m) |
| 2016-06-30 | (m) | $356.70M | $43.57M | $47.01M | (m) | (m) | 12.22% | (m) | (m) |
| 2016-03-31 | (m) | $344.04M | $41.32M | $45.59M | (m) | (m) | 12.01% | (m) | (m) |
| 2015-12-31 | (m) | $333.07M | $41.56M | $41.07M | (m) | (m) | 12.48% | (m) | (m) |
| 2015-09-30 | (m) | $321.85M | $37.77M | $38.44M | (m) | (m) | 11.74% | (m) | (m) |
| 2015-06-30 | (m) | $308.99M | $36.16M | $35.58M | (m) | (m) | 11.70% | (m) | (m) |
| 2015-03-31 | (m) | $296.01M | $35.08M | $32.07M | (m) | (m) | 11.85% | (m) | (m) |
| 2014-12-31 | (m) | $282.54M | $33.45M | $35.30M | (m) | (m) | 11.84% | (m) | (m) |
| 2014-09-30 | (m) | $270.39M | $30.49M | $34.17M | (m) | (m) | 11.28% | (m) | (m) |
| 2014-06-30 | (m) | $257.40M | $26.86M | $32.38M | (m) | (m) | 10.44% | (m) | (m) |
| 2014-03-31 | (m) | $246.68M | $23.64M | $30.70M | (m) | (m) | 9.58% | (m) | (m) |
| 2013-12-31 | (m) | $238.09M | $20.70M | $23.91M | (m) | (m) | 8.69% | (m) | (m) |
| 2013-09-30 | (m) | $222.75M | $22.41M | $16.86M | (m) | (m) | 10.06% | (m) | (m) |
| 2013-06-30 | (m) | $213.91M | $21.36M | $14.52M | (m) | (m) | 9.98% | (m) | (m) |
| 2013-03-31 | (m) | $214.80M | $20.00M | $16.39M | (m) | (m) | 9.31% | (m) | (m) |
| 2012-12-31 | (m) | $213.81M | $18.65M | $17.28M | (m) | (m) | 8.72% | (m) | (m) |
| 2012-09-30 | (m) | $213.06M | $14.42M | $18.71M | (m) | (m) | 6.77% | (m) | (m) |
| 2012-06-30 | (m) | $209.51M | $13.61M | $17.44M | (m) | (m) | 6.50% | (m) | (m) |
| 2012-03-31 | $45.55M | $202.53M | $13.45M | $14.70M | (m) | 22.49% | 6.64% | (m) | (m) |
| 2011-12-31 | $44.52M | $196.52M | $13.13M | $13.42M | (m) | 22.65% | 6.68% | (m) | (m) |
| 2011-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-03-31 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-12-31 | $44.37M | $218.84M | $16.81M | $30.50M | (m) | 20.28% | 7.68% | (m) | (m) |
| 2010-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-12-31 | $38.30M | $165.01M | $14.61M | $19.53M | (m) | 23.21% | 8.85% | (m) | (m) |
(m) means missing inputs. Historical market-based ratios use the saved close on or immediately before period ending and that period’s reported shares; current quotes are not substituted. Five-year projections repeat historical CAGR, not analyst forecasts.
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